UFC 166 photo gallery: There was blood

HOUSTON – UFC 166 proved to be one of the greatest cards in the promotion’s history. Saturday’s pay-per-view lineup also was one of the bloodiest.

With help from USA TODAY Sports Images photographer Andrew Richardson, we look back at some of the event’s red-stained moments, including heavyweight champion Cain Velasquez’s lopsided win over Junior dos Santos, as well as Gilbert Melendez and Diego Sanchez’s “Fight of the Year” candidate.